package com.mzy.datepackage.M2022.Jun.TenServent;

import java.util.HashMap;

/**
 * Created with IntelliJ IDEA.
 *
 * @Author mzy
 * @Date 2022/6/17 9:28
 * @Version 1.0
 */
public class Test {
    public static void main(String[] args) {
        HashMap<Object, Object> objectObjectHashMap = new HashMap<>();
        objectObjectHashMap.put("a",123);
        objectObjectHashMap.put("b",1234);

        System.out.println(objectObjectHashMap.get("a"));
        System.out.println(objectObjectHashMap.get("c"));
    }
}
